
import java.io.*;


public class pedir {
		public String getUserInput(String mensaje) {
			String inputLine = null;
			System.out.println(mensaje+": ");
			
			try {
				BufferedReader is = new BufferedReader( new InputStreamReader (System.in));
				inputLine = is.readLine();
				if (inputLine.length()==0) return null;
			} catch (IOException e) {
				System.out.println("IOException: "+e);
			}
			return inputLine.toUpperCase();
		}
}
